//
// Button groups
// ==================================================

//
// Button carets
// Match the button text color to the arrow/caret for indicating dropdown-ness.

.caret
{
  .btn-default &
  {
    border-top-color: @btn-default-color;
  }
  .btn-primary &,
  .btn-success &,
  .btn-warning &,
  .btn-danger &,
  .btn-info &
  {
    border-top-color: #fff;
  }
}
.dropup
{
  & .btn-default .caret
  {
    border-bottom-color: @btn-default-color;
  }
  .btn-primary,
  .btn-success,
  .btn-warning,
  .btn-danger,
  .btn-info
  {
   .caret
   {
      border-bottom-color: #fff;
    }
  }
}

// Make the div behave like a button
.btn-group,
.btn-group-vertical
{
  position: relative;
  display: inline-block;
  vertical-align: middle; // match .btn alignment given font-size hack above
  > .btn
  {
    position: relative;
    float: left;
    // Bring the "active" button to the front
    &:hover,
    &:focus,
    &:active,
    &.active
    {
      z-index: 2;
    }
    &:focus
    {
      // Remove focus outline when dropdown JS adds it after closing the menu
      outline: none;
    }
  }
}

// Prevent double borders when buttons are next to each other
.btn-group
{
  .btn + .btn,
  .btn + .btn-group,
  .btn-group + .btn,
  .btn-group + .btn-group
  {
    margin-left: -1px;
  }
}

// Optional: Group multiple button groups together for a toolbar
.btn-toolbar
{
  .clearfix();

  .btn-group
  {
    float: left;
  }
  // Space out series of button groups
  > .btn,
  > .btn-group
  {
    + .btn,
    + .btn-group
    {
      margin-left: 5px;
    }
  }
}

.btn-group > .btn:not(:first-child):not(:last-child):not(.dropdown-toggle)
{
  border-radius: 0;
}

// Set corners individual because sometimes a single button can be in a .btn-group and we need :first-child and :last-child to both match
.btn-group > .btn:first-child
{
  margin-left: 0;
  &:not(:last-child):not(.dropdown-toggle)
  {
    .border-right-radius(0);
  }
}
// Need .dropdown-toggle since :last-child doesn't apply given a .dropdown-menu immediately after it
.btn-group > .btn:last-child:not(:first-child),
.btn-group > .dropdown-toggle:not(:first-child)
{
  .border-left-radius(0);
}

// Custom edits for including btn-groups within btn-groups (useful for including dropdown buttons within a btn-group)
.btn-group > .btn-group
{
  float: left;
}
.btn-group > .btn-group:not(:first-child):not(:last-child) > .btn
{
  border-radius: 0;
}
.btn-group > .btn-group:first-child
{
  > .btn:last-child,
  > .dropdown-toggle
  {
    .border-right-radius(0);
  }
}
.btn-group > .btn-group:last-child > .btn:first-child
{
  .border-left-radius(0);
}

// On active and open, don't show outline
.btn-group .dropdown-toggle:active,
.btn-group.open .dropdown-toggle
{
  outline: 0;
}

// Sizing
//
// Remix the default button sizing classes into new ones for easier manipulation.

.btn-group-xs > .btn
{ .btn-xs(); }
.btn-group-sm > .btn
{ .btn-sm(); }
.btn-group-lg > .btn
{ .btn-lg(); }


// Split button dropdowns
// ----------------------

// Give the line between buttons some depth
.btn-group > .btn + .dropdown-toggle
{
  padding-left: 8px;
  padding-right: 8px;
}
.btn-group > .btn-lg + .dropdown-toggle
{
  padding-left: 12px;
  padding-right: 12px;
}

// The clickable button for toggling the menu
// Remove the gradient and set the same inset shadow as the :active state
.btn-group.open .dropdown-toggle
{
  .box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
}


// // Justified button groups
// // ----------------------

// .btn-group-justified
// {
//   display: table;
//   width: 100%;
//   table-layout: fixed;
//   border-collapse: separate;
//   .btn
//   {
//     float: none;
//     display: table-cell;
//     width: 1%;
//   }
// }
